{"product_id":"siemens-lgb2b100b-100a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens LGB2B100B - 100 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens LGB2B100B is a 100A, 600V, 2-pole bolt-on molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Built for dependable overcurrent and short-circuit protection, it combines rugged, vibration-resistant mounting with precise electrical protection to keep systems running smoothly.\u003c\/p\u003e \u003ch2\u003eWhat makes it stand out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection that stays tight through wide temperature swings and equipment vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection for both overloads and short circuits, helping to prevent nuisance trips while staying responsive during fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e with matching load centers and panelboards, ensuring straightforward integration with Siemens and other approved assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple environments\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where reliable protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: LGB2B100B\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 100 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cp\u003eUse the LGB2B100B to protect feeder and branch circuits in residential service panels, commercial load centers, and light industrial distribution gear. It’s well-suited for applications that demand a robust, code-compliant breaker with a secure connection and reliable trip performance, including:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eSubpanels feeding lighting, receptacle, and small equipment circuits\u003c\/li\u003e \u003cli\u003eHVAC and commercial equipment feeders where stable protection is critical\u003c\/li\u003e \u003cli\u003e retrofit or replacement installations in panelboards designed for bolt-on MCCBs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this matters in real-world setups\u003c\/h2\u003e\n\u003cp\u003eThe LGB2B100B isn’t just about amperage and voltage—it’s about dependable protection you can trust during daily operation and during fault events. The bolt-on mounting minimizes the risk of loose connections that can compromise protection, while the thermal-magnetic trip unit responds swiftly to short circuits without sacrificing stability during normal loads. When paired with compatible Siemens OEM panels, it provides a cohesive, maintainable protection solution for both new builds and upgrades.\u003c\/p\u003e \u003ch2\u003ePractical installation considerations\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panelboard compatibility with the bolt-on mounting style and two-pole configuration before installation.\u003c\/li\u003e \u003cli\u003eEnsure wiring is correctly sized for 100 A service and that conductors meet applicable electrical codes and standards.\u003c\/li\u003e \u003cli\u003eFollow standard safety practices for servicing panelboards, including de-energizing the system and using appropriate lockout\/tagout procedures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat you gain\u003c\/h2\u003e\n\u003cp\u003eWith the Siemens LGB2B100B, you’re choosing a reliable, purpose-built solution for protecting distributions and equipment. Its precise thermal-magnetic protection, rugged mounting, and OEM compatibility translate to fewer interruptions, easier maintenance, and a safer electrical distribution environment across residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349822099618,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-lgb2b100b-100-a-600-v-2-pole-bolt-on-circuit-breaker-134.webp?v=1788733341","url":"https:\/\/www.ampstate.com\/products\/siemens-lgb2b100b-100a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}